There are many ways to repair your credit score and this article from This is Money is very informative.
As is the following detail on the Money Advice Service website.
Good luck.
Answered by
Holly Mackay
Founder & CEO, Boring Money
I’ve worked in investment markets for over 20 years. I started out at Merrill Lynch Investment Management and worked at a few big names before setting up my first business in 2008.